<li class="nav-item active dropdown">
    <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
      更多
    </a>
    <div class="dropdown-menu" aria-labelledby="navbarDropdown">
        {loop $arrNav $key $item}
        <a class="dropdown-item" {if $item['newpage']}target="_blank"{/if} href="{$item['navurl']}">{$item['navname']}</a>
        {/loop}
    </div>
  </li>